LOINCActiveObservation

LOINC Code 20241-6: Left ventricular Apical plane systole [Area] by US 2D

20241-6 is a LOINC code used to identify Left ventricular Apical plane systole [Area] by US 2D in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Plane.apical.systole. It is commonly used with the system or sample type Heart.ventricle.left.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Plane.apical.systole. It is commonly used with the system or sample type Heart.ventricle.left.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: US.2D

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Left ventricular Apical plane systole [Area] by US 2D
  • Plane.apical.systole
  • 2D US; CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; Hrt ventr; L; LT; LV; LVAS; Plane apical sys; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Sys; Syst; ULS; Ultrasound; Ultrasound - 2-dimensional; Ventricular

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Left ventricular Apical plane systole [Area] by US 2DLV Plane apical sys Area 2D USPlane.apical.systoleCARD.USAreaPtHeart.ventricle.left

Frequently asked questions

Code details

Code20241-6
SystemLOINC
Display nameLeft ventricular Apical plane systole [Area] by US 2D
DescriptionPlane.apical.systole
Short nameLV Plane apical sys Area 2D US
ComponentPlane.apical.systole
PropertyArea
TimingPt
System (specimen)Heart.ventricle.left
ScaleQn
MethodUS.2D
ClassCARD.US
Example unitscm2
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.48

Part names

Plane.apical.systoleAreaPtHeart.ventricle.leftQnUS.2DPlane apical systolePoint in time (spot)Heart ventricle - leftUltrasound 2D

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 20241-6 | HealthAssure